The key technique is the last precision lapping in the manufacture process of the precision ball.

在精密球体的制造工艺中，关键技术是最后的精密研磨。

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The NB BG type is a compact single axis actuator, which integrates a slide guide and precision ball screw.

NB传动模组是一种紧凑型单轴驱动器，其中集成了导轨和精密滚珠丝杠。

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Company specializing in the production of bearings with high precision and low noise precision ball and precision mechanical parts.

公司专业生产轴承用高精度、低噪音的精密钢球及精密机械零部件。

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Over the years Simmons has accumulated assets engaged in businesses ranging from titanium dioxide pigment production to waste management to precision ball bearings manufacturing.

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Boro continued to threaten on the break, with Aliadiere and Tuncay offering plenty of pace and promise, but lacked a final ball of quality and precision.

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Dunne lost possession to Berbatov, and even though he recovered he could only divert the ball into the path of Owen, who steered an expert precision finish low past Friedel.

BBC: Aston Villa 1-2 Man Utd